- Bramble, W. C., and E. C. Holst. 1935. Microorganisms infecting pines attacked by Dendroctonus frontalis [abstract] . Phytopathology 25:7.
- Bramble, W. C., and E. C. Holst. 1940. Fungi associated with Dendroctonus frontalis in killing shortleaf pines and their effect on conduction . Phytopathology 30:881-899.